1. Doctor Thesis, Universidad de la Habana;Zumeta;Cuba,2004
2. NREL National Centre for Photovoltaics and Solar Program, Review Meeting, Denver;Gessert;Colorado,2003
3. J. Halme, Master's thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Technology, HELSINKI UNIVERSITY OF TECHNOLOGY, Department of Engineering Physics and Mathematics, Finland, (2002).
4. Solar cell efficiency tables (version 19)
5. Frontiers of research in photoelectrochemical solar energy conversion